change build system

build.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+mk clean
+mk o.rio
+
+mv o.rio ryudo

install.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+if [ -z "$PLAN9" ]; then
+  echo "PLAN9 not set;"
+  echo "Please set it to the location of your plan9port installation."
+  exit 1
+fi
+
+if [ $(whoami) != "root" ]; then
+  mkdir -p ~/bin/9
+  cp ryudo ~/bin/9/ryudo
+  echo "ryudo has been installed to '${HOME}/bin/9/';"
+  echo "You may want to add it to your PATH."
+  echo "The manual pages were not installed."
+else
+  cp ryudo $PLAN9/bin/ryudo
+  cp ryudo.1 $PLAN9/man/man1/ryudo.1
+  echo "ryudo has been installed to '${PLAN9}/bin/';"
+  echo "The manual pages have been installed to '${PLAN9}/man/'"
+fi

mkfile

@@ -1,5 +1,5 @@
 <$PLAN9/src/mkhdr
-<|sh /usr/lib/plan9/src/cmd/devdraw/mkwsysrules.sh	# for X11
+<|sh $PLAN9/src/cmd/devdraw/mkwsysrules.sh	# for X11
 
 RIOFILES=\
 	client.$O\